package com.androidTool;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.Network;
import android.net.NetworkInfo;
import android.util.Log;
import android.widget.Toast;

/**
 * 网络检测
 */
public class NetWorkStateReceiver extends BroadcastReceiver {
    public interface ReceviceCallback{
        void onResult(boolean result);
    }

    private  ReceviceCallback callback;
    public  void setReceviceCallback(ReceviceCallback callback){
        this.callback=callback;
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        System.out.println("网络状态发生变化");
        //检测API是不是小于23，因为到了API23之后getNetworkInfo(int networkType)方法被弃用
        boolean boo=isNetWork(context);
        if(this.callback!=null){
            this.callback.onResult(boo);
        }
    }

    /**
     * 是否有网络
     * @param context
     * @return
     */
    public boolean isNetWork(Context context){
        boolean network=true;
        if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.LOLLIPOP) {
            //获得ConnectivityManager对象
            ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
            //获取ConnectivityManager对象对应的NetworkInfo对象
            //获取WIFI连接的信息
            NetworkInfo wifiNetworkInfo = connMgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
            //获取移动数据连接的信息
            NetworkInfo dataNetworkInfo = connMgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
            if (wifiNetworkInfo.isConnected() && dataNetworkInfo.isConnected()) {
                Toast.makeText(context, "WIFI已连接,移动数据已连接", Toast.LENGTH_SHORT).show();
            } else if (wifiNetworkInfo.isConnected() && !dataNetworkInfo.isConnected()) {
                Toast.makeText(context, "WIFI已连接,移动数据已断开", Toast.LENGTH_SHORT).show();
            } else if (!wifiNetworkInfo.isConnected() && dataNetworkInfo.isConnected()) {
                Toast.makeText(context, "WIFI已断开,移动数据已连接", Toast.LENGTH_SHORT).show();
            } else {
                Toast.makeText(context, "WIFI已断开,移动数据已断开", Toast.LENGTH_SHORT).show();
                network=false;
            }
            //API大于23时使用下面的方式进行网络监听
        }else {
            System.out.println("API level 大于23");
            //获得ConnectivityManager对象
            ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

            //获取所有网络连接的信息
            Network[] networks = connMgr.getAllNetworks();
            //用于存放网络连接信息
            StringBuilder sb = new StringBuilder();
            //通过循环将网络信息逐个取出来
            for (int i=0; i < networks.length; i++){
                //获取ConnectivityManager对象对应的NetworkInfo对象
                NetworkInfo networkInfo = connMgr.getNetworkInfo(networks[i]);
                sb.append(networkInfo.getTypeName() + " connect is " + networkInfo.isConnected());
            }
            if(sb.length()<=0){
                Log.d("TAG","没有网络");
                sb.append("网络断开");
                network=false;
            }
            Toast.makeText(context, sb.toString(),Toast.LENGTH_SHORT).show();
        }
        return network;
    }
}